What are the benefits of the Congressional committee system? What are the possible downsides?

What are the varying goals that shape the behavior of members of Congress? How does the incentive for reelection shape their behavior? How can it lead them to be both individually responsive but collectively irresponsible? What are the benefits of the Congressional committee system? What are the possible downsides? How do the parties use this structure to their advantage?In your view, what are the most important factors that contributed to the rise of presidential power in modern American Government? Neustadt & Kernell both describe ways in which a President can deal with Congress & others outside of the executive branch. What are their central arguments? How does Kernell’s theory update Neustadt’s idea? Are they compatible?